Among the various types of building glass,5mm tempered glass stands out as a popular choice for architects, builders, and homeowners alike. In the realm of modern architecture, glass isn’t just a transparent barrier—it’s a crucial element that marries functionality, aesthetics,and sustainability.Let’s dive into what makes it a go-to option and how it’s transforming the way we design and construct buildings.
Why is 5mm Tempered glass Called ‘5mm Safety Glass’?
5mm Tempered Glass ,as well as toughened glass or safety glass which 5mm thickness,is made by first cutting ordinary annealed clear glass to the required size, then heating it to around 700℃(close to the softening point),and subsequently cooling it rapidly.This process imparts unique physical properties, making it an ideal material for modern architecture, home decoration, and the automotive industry.
Key Points
- Exceptional Safety: When the glass is damaged by external forces, the fragments will break into small,obtuse particles similar to a honeycomb structure, which is less likely to cause serious harm to the human body. For example, it is commonly used in building facades and automotive windshields to resist the impact of flying objects or accidental collisions.
- High strength: The impact resistance of toughened glass of the same thickness is 3 to 5 times that of ordinary glass, and the bending strength is 3 to 5 times that of ordinary glass.This greatly reduces the risk of serious injury from cuts and lacerations,making it a safer option in applications where glass breakage is a possibility, such as in doors, window and shower enclosures.


Why is 5mm Tempered Glass Widely Used in Doors and Windows?
In residential and commercial buildings, 5mm tempered glass is a top pick for windows and doors. It provides clear views while ensuring safety and security. For large size windows, its strength allows for larger glass panels without the need for excessive framing,creating a more open and airy feel. In doors,especially those with glass inserts, tempered glass adds an extra layer of protection against break-ins.


Most importantly, there is thermal stability:
Thermal Stability&Energy Efficiency: 5mm tempered glass excels in thermal stability, with the ability to withstand temperature differences 3 times higher than ordinary glass-up to 300°C.This resilience makes it ideal for energy-efficient glazing systems,a key priority in modern sustainable architecture.
By applying low-emissivity (Low-E) coatings or integrating it into double or triple glazed units, the glass creates a thermal barrier that:
- Reduces heat transfer by up to 50%, minimizing reliance on heating or cooling systems.
- Maintains interior comfort: keeps buildings warmer in winter and cooler in summer.
- Lowers energy consumption, aligning with global green building standards (e.g.,LEED,BREEAM)and reducing carbon footprints.
Availability
Size: maximum size reach 2440x3660mm, minimum can be 300x300mm
Thickness: 5mm(6/8/10/12mm….ect)
Color: clear, ultra clear, green, blue, grey, bronze, etc.
Application
It can be used not only for doors and windows, but also for railings,awnings,facade wall…ect

Why Choose Dragon Glass’s 5mm Tempered Glass?
Dragon Glass 5mm Tempered Glass: A Choice of Quality and Innovation
Shenzhen Dragon Glass, founded in 1994,has excellence marketing enterprise over more than 30 years of dedication. The group comprises four production subsidiaries and a specialized export division. With modern, standardized workshops and state-of the-art production equipment, dragon glass boasts a skilled professional team committed to Looking ahead to 2025, dragon glass is poised to lead the charge in transforming Chinese manufacturing with a truly intelligent factory in the glass industry.
Quality with Certificates
- ISO 9001:Quality management system
- ANSI Z97.1:U.S. safety glazing certification
- EN 12150-1:European tempered glass standard

Strict Inspection&Package of 5mm Tempered Glass
- Visual check:no scratches,bubbles or distortions
- Thickness gauge:5mm±0.3mm verified
- Polariscope test:surface stress distribution
- Fragmentation tes:Verify the broken safety status

Packing
Foam corner guards,Waterproof Wrapping,Plywood Package

- Check carefully
- Strict packaging
- you deserve it
Summary Reasons to Choose Dragon Glass
✅ Reliable Quality: 30 years of process accumulation, with smart factories ensuring stable quality control.
✅ Energy Efficiency Leader: Supports Low-E coating and insulated glass solutions to reduce building energy consumption.
✅ Comprehensive Service: Competitive pricing, rapid order response, and one-stop services from customization to transportation.
Good price&great service.If you have any needs and questions,welcome to contact with us! Let us know your thoughts in the comments.Click here and Take a look more: SHENZHEN DRAGON GLASS








